Surviv0r Posted January 9, 2017 Share Posted January 9, 2017 bought a very highend pc 6mths ago. the only thing i didnt really check much was the ram, it came with a strange amount of 12gb (8+4). recently noticed the dodgy gits slipped in ram with only 1ghz speed. going to get 16gb of corsair vengeance 2.4ghz...... now it it better to remove the other ram and just have the 16gb as they will be the same, or have all 4 in there even though it will be 2x 1ghz and 2x 2.4ghz. advice appreciated its ddr4 if that makes a diff ram in pc spec is :- Memory slots Total memory slots 4 Used memory slots 2 Free memory slots 2 Memory Type Unknown Size 12288 MBytes Channels # Dual DRAM Frequency 1063.3 MHz CAS# Latency (CL) 15 clocks RAS# to CAS# Delay (tRCD) 15 clocks RAS# Precharge (tRP) 15 clocks Cycle Time (tRAS) 36 clocks Command Rate (CR) 2T Ram im thinking of getting spec:- Technical specifications for CORSAIR Vengeance LPX DDR4 PC Memory - 16 GB DIMM RAM, 2-Module Kit OVERVIEW Upgrade type Generic Module type DIMM Memory type DDR4 Memory 16 GB (8 GB + 8 GB) Clock frequency 2400 MHz FEATURES Voltage 1.2 V Pinouts 288 pins CAS latency C14 Other features - Pure aluminum heatspreader - 8-layer PCB - Superior overclocking headroom GENERAL System requirements Optimized & compatibility tested for Intel X99 & 100 Series motherboards Dimensions 135 x 7 x 33.5 mm (H x W x D) Weight 75 g Manufacturer’s guarantee Limited lifetime Link to comment Share on other sites More sharing options...
Franhi Posted January 9, 2017 Share Posted January 9, 2017 nvm Link to comment Share on other sites More sharing options...
Guest BubbaCrawfish Posted January 9, 2017 Share Posted January 9, 2017 If you have 2 different speed/speced RAM types, the slowest will usually set the speed for the other. You'd be advised to buy as much RAM as possible for you motherboard in one lot. I recently bought 8 gigs for a board I had on the misinformation that my board only supported 8, when it could've held 16... I so should've bought the 16. Would help out if you threw up the Motherboard model number, if you know what it is. Link to comment Share on other sites More sharing options...
Surviv0r Posted January 9, 2017 Author Share Posted January 9, 2017 the top one is what i have in pc the bottom of is what im thinking of getting Link to comment Share on other sites More sharing options...
Grimm Posted January 9, 2017 Share Posted January 9, 2017 Play it safe and use all the same type as @BubbaCrawfish stated. That way you know for sure you won't be running into any issues with compatibility between the RAM. Good luck! Link to comment Share on other sites More sharing options...
Guest BubbaCrawfish Posted January 9, 2017 Share Posted January 9, 2017 27 minutes ago, Surviv0r said: the top one is what i have in pc the bottom of is what im thinking of getting Run HWInfo ( https://www.hwinfo.com/ ) on your PC, and show what the model of the motherboard is, then I'll let you know what the max is and what speeds it can handle. This will also give you more detailed info about what RAM is currently in the PC. Link to comment Share on other sites More sharing options...
Surviv0r Posted January 9, 2017 Author Share Posted January 9, 2017 thanks to u both for replying ill get that info too u m8 Link to comment Share on other sites More sharing options...
Guest BubbaCrawfish Posted January 9, 2017 Share Posted January 9, 2017 17 minutes ago, Surviv0r said: thanks to u both for replying ill get that info too u m8 Top notch... Link to comment Share on other sites More sharing options...
Surviv0r Posted January 9, 2017 Author Share Posted January 9, 2017 Computer Computer Brand Name: Acer Predator G6-710 Motherboard Motherboard Model: Acer Predator G6-710 Motherboard Chipset: Intel Z170 (Skylake PCH-H) Motherboard Slots: 3xPCI Express x1, 1xPCI Express x4, 1xPCI Express x16 PCI Express Version Supported: v3.0 USB Version Supported: v3.0 BIOS BIOS Manufacturer: American Megatrends Inc. BIOS Date: 09/21/2015 BIOS Version: R01-A1 UEFI BIOS: Capable Super-IO/LPC Chip: ITE IT8732 Ram 1 = General Module Information Module Number: 1 Module Size: 4 GBytes Memory Type: DDR4 SDRAM Module Type: Unbuffered DIMM (UDIMM) Memory Speed: 1066.1 MHz (DDR4-2132 / PC4-17000) Module Manufacturer: SK Hynix Module Part Number: HMA451U6AFR8N-TF Module Revision: 0.0 Module Serial Number: 2603825489 Module Manufacturing Date: Year: 2015, Week: 46 Module Manufacturing Location: 1 SDRAM Manufacturer: SK Hynix Module Characteristics Row Address Bits: 15 Column Address Bits: 10 Module Density: 4096 Mb Number Of Ranks: 1 Device Width: 8 bits Bus Width: 64 bits Die Count: 1 Module Nominal Voltage (VDD): 1.2 V Minimum SDRAM Cycle Time (tCKAVGmin): 0.93800 ns Maximum SDRAM Cycle Time (tCKAVGmax): 1.50000 ns CAS# Latencies Supported: 9, 11, 12, 13, 14, 15, 16 Minimum CAS# Latency Time (tAAmin): 13.500 ns Minimum RAS# to CAS# Delay (tRCDmin): 13.500 ns Minimum Row Precharge Time (tRPmin): 13.500 ns Minimum Active to Precharge Time (tRASmin): 33.000 ns Supported Module Timing at 1066.1 MHz: 15-15-15-36 Supported Module Timing at 1000.0 MHz: 14-14-14-33 Supported Module Timing at 933.3 MHz: 13-13-13-31 Supported Module Timing at 866.7 MHz: 12-12-12-29 Supported Module Timing at 800.0 MHz: 11-11-11-27 Supported Module Timing at 666.7 MHz: 9-9-9-22 Supported Module Timing at 600.0 MHz: 9-9-9-20 Minimum Active to Active/Refresh Time (tRCmin): 46.500 ns Minimum Refresh Recovery Time Delay (tRFC1min): 260.000 ns Minimum Refresh Recovery Time Delay (tRFC2min): 160.000 ns Minimum Refresh Recovery Time Delay (tRFC4min): 110.000 ns Minimum Four Activate Window Delay Time (tFAWmin): 21.000 ns Minimum Active to Active Delay Time - Different Bank Group (tRRD_Smin): 3.700 ns Minimum Active to Active Delay Time - Same Bank Group (tRRD_Lmin): 5.300 ns Minimum CAS to CAS Delay Time - Same Bank Group (tCCD_Lmin): 5.628 ns Features Module Temperature Sensor (TSOD): Not Supported Temperature Sensor Location: Front Side Module Nominal Height: 31 - 32 mm Module Maximum Thickness (Front): 1 - 2 mm Module Maximum Thickness (Back): <= 1 mm Address Mapping from Edge Connector to DRAM: Standard Ram 2= General Module Information Module Number: 3 Module Size: 8 GBytes Memory Type: DDR4 SDRAM Module Type: Unbuffered DIMM (UDIMM) Memory Speed: 1066.1 MHz (DDR4-2132 / PC4-17000) Module Manufacturer: SK Hynix Module Part Number: HMA41GU6AFR8N-TF Module Revision: 0.0 Module Serial Number: 3584692337 Module Manufacturing Date: Year: 2015, Week: 38 Module Manufacturing Location: 1 SDRAM Manufacturer: SK Hynix Module Characteristics Row Address Bits: 15 Column Address Bits: 10 Module Density: 4096 Mb Number Of Ranks: 2 Device Width: 8 bits Bus Width: 64 bits Die Count: 1 Module Nominal Voltage (VDD): 1.2 V Minimum SDRAM Cycle Time (tCKAVGmin): 0.93800 ns Maximum SDRAM Cycle Time (tCKAVGmax): 1.50000 ns CAS# Latencies Supported: 9, 11, 12, 13, 14, 15, 16 Minimum CAS# Latency Time (tAAmin): 13.500 ns Minimum RAS# to CAS# Delay (tRCDmin): 13.500 ns Minimum Row Precharge Time (tRPmin): 13.500 ns Minimum Active to Precharge Time (tRASmin): 33.000 ns Supported Module Timing at 1066.1 MHz: 15-15-15-36 Supported Module Timing at 1000.0 MHz: 14-14-14-33 Supported Module Timing at 933.3 MHz: 13-13-13-31 Supported Module Timing at 866.7 MHz: 12-12-12-29 Supported Module Timing at 800.0 MHz: 11-11-11-27 Supported Module Timing at 666.7 MHz: 9-9-9-22 Supported Module Timing at 600.0 MHz: 9-9-9-20 Minimum Active to Active/Refresh Time (tRCmin): 46.500 ns Minimum Refresh Recovery Time Delay (tRFC1min): 260.000 ns Minimum Refresh Recovery Time Delay (tRFC2min): 160.000 ns Minimum Refresh Recovery Time Delay (tRFC4min): 110.000 ns Minimum Four Activate Window Delay Time (tFAWmin): 21.000 ns Minimum Active to Active Delay Time - Different Bank Group (tRRD_Smin): 3.700 ns Minimum Active to Active Delay Time - Same Bank Group (tRRD_Lmin): 5.300 ns Minimum CAS to CAS Delay Time - Same Bank Group (tCCD_Lmin): 5.628 ns Features Module Temperature Sensor (TSOD): Not Supported Temperature Sensor Location: Front Side Module Nominal Height: 31 - 32 mm Module Maximum Thickness (Front): 1 - 2 mm Module Maximum Thickness (Back): 1 - 2 mm Address Mapping from Edge Connector to DRAM: Mirrored Link to comment Share on other sites More sharing options...
Guest BubbaCrawfish Posted January 9, 2017 Share Posted January 9, 2017 Being that it is so new, and that it's a pre-built machine you should check with Acer as to what techs can service it for you. It does seem odd that the ram is appearing so slow, but I haven't had experience with DDR4 yet. With regards to it, it's because the warranty is still valid, and you should treasure that until it's out of warranty. It will help out if anything, and I mean anything, goes wrong. (2 years is a good amount of time) Just reading on it though too, labor isn't covered for "free", but really, slapping in a couple more sticks of RAM isn't that time consuming, so it could be an idea to give acer a call, and ask them directly what the memory speed specs should be, and whether there's another service tech in your area that could do the work if you don't trust the original guys. Hell, it's a nice looking rig, and I'd probably grab one if I had the cash. I have found dealing with phone support is trivial at times, but if you work your way through the helpdesk to the techs, they can usually help out a lot when needed. If you also let the tech know that you have a HWInfo printout ready, they may have a look on that too if you chuck it to them. Link to comment Share on other sites More sharing options...
Surviv0r Posted January 9, 2017 Author Share Posted January 9, 2017 thanks for advice m8, should i remove old ram when get the new ones? as been told its better to have the same type/speed ram in as will perform better. the dodgy gits put cheap ram in and has always been that slow. i used speccy before but hwinfo looks better. its a make i have never heard of on the ram. yeah its a lovely setup especially now thrown in a 1080, it came with a 970 Link to comment Share on other sites More sharing options...
Surviv0r Posted January 10, 2017 Author Share Posted January 10, 2017 30 minutes ago, seXikanac said: RAM is not slow, it just say native speed and DDR means double data rate, si it's 2100 RAM in his case. Corsair one is 2400 but it will work on 2100 as well. To be honest, it's not important is it 2100 or 2400, it's less than 1% of real life difference. But amount is what is important. If you can, sell that 8+4 and purchase 2 more of same Corsair modules. Since you purchased that pricey PC, I presume it's not issue for you to get all 4 of same high speed modules but then surely if i removed the the old ram the the 2.4 would run at double too Link to comment Share on other sites More sharing options...
Surviv0r Posted January 10, 2017 Author Share Posted January 10, 2017 ok....i think. all that stuff goes over my head lol Link to comment Share on other sites More sharing options...
Surviv0r Posted January 10, 2017 Author Share Posted January 10, 2017 4gig Module Number: 1 Module Size: 4 GBytes Memory Type: DDR4 SDRAM Module Type: Unbuffered DIMM (UDIMM) Memory Speed: 1066.1 MHz (DDR4-2132 / PC4-17000) Module Manufacturer: SK Hynix Module Part Number: HMA451U6AFR8N-TF Module Revision: 0.0 Module Serial Number: 2603825489 Module Manufacturing Date: Year: 2015, Week: 46 Module Manufacturing Location: 1 SDRAM Manufacturer: SK Hynix 8gig Module Number: 3 Module Size: 8 GBytes Memory Type: DDR4 SDRAM Module Type: Unbuffered DIMM (UDIMM) Memory Speed: 1066.1 MHz (DDR4-2132 / PC4-17000) Module Manufacturer: SK Hynix Module Part Number: HMA41GU6AFR8N-TF Module Revision: 0.0 Module Serial Number: 3584692337 Module Manufacturing Date: Year: 2015, Week: 38 Module Manufacturing Location: 1 SDRAM Manufacturer: SK Hynix Link to comment Share on other sites More sharing options...
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